<!DOCTYPE html>
<html>
  <head>
    <title>Bootstrap</title>
    <meta name="viewport" content="width=device-width, initial-scale=1.0">   
    <link href="css/bootstrap.min.css" rel="stylesheet" media="screen"> 
    <script src="http://labfile.oss.aliyuncs.com/html5shiv/3.7.0/html5shiv.js"></script>
    <script src="http://labfile.oss.aliyuncs.com/respond.js/1.3.0/respond.min.js"></script>  
  </head>
  <body>
     <button type="button" class="btn btn-default">Default</button>
<button type="button" class="btn btn-primary">Primary</button>
<button type="button" class="btn btn-success">Success</button>
<button type="button" class="btn btn-info">Info</button>
<button type="button" class="btn btn-warning">Warning</button>
<button type="button" class="btn btn-danger">Danger</button>
<button type="button" class="btn btn-link">链接</button> 
<p>
  <button type="button" class="btn btn-primary btn-lg">Large button</button>
  <button type="button" class="btn btn-default btn-lg">Large button</button>
</p>
<p>
  <button type="button" class="btn btn-primary">Default button</button>
  <button type="button" class="btn btn-default">Default button</button>
</p>
<p>
  <button type="button" class="btn btn-primary btn-sm">Small button</button>
  <button type="button" class="btn btn-default btn-sm">Small button</button>
</p>
<p>
  <button type="button" class="btn btn-primary btn-xs">Extra small button</button>
  <button type="button" class="btn btn-default btn-xs">Extra small button</button>
</p>  
<button type="button" class="btn btn-primary btn-lg btn-block">Block level button</button>
<button type="button" class="btn btn-default btn-lg btn-block">Block level button</button> 
<button type="button" class="btn btn-primary btn-lg active">Primary button</button>
<button type="button" class="btn btn-default btn-lg active">Button</button>
<a href="#" class="btn btn-primary btn-lg active" role="button">Primary link</a>
<a href="#" class="btn btn-default btn-lg active" role="button">Link</a>
<button type="button" class="btn btn-lg btn-primary" disabled="disabled">无法点击</button>
<button type="button" class="btn btn-default btn-lg" disabled="disabled">Button</button>
<p></p>

<a class="btn btn-default" href="#" role="button">可做按钮使用的 Html 标签</a>
<button class="btn btn-default" type="submit">Button</button>
<input class="btn btn-default" type="button" value="Input">
<input class="btn btn-default" type="submit" value="Submit">
    <script src="js/jquery-3.1.1.js"></script>
    <script src="js/bootstrap.min.js"></script>
  </body>
</html>